Language
C++
Compiler
gcc HEAD 9.0.0 20180919 (experimental)
Options
Warnings
Boost 1.68.0
C++2a(GNU)
no pedantic
Raw compiler options
-O3
impl.cpp
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=gnu++2a -O3 impl.cppstd::vector<Data>{
Data{ .id = 0, .next = 1 },
Data{ .id = 1, .next = 3 },
Data{ .id = 2, .next = 4 },
Data{ .id = 3, .next = 3 },
Data{ .id = 4, .next = 5 },
Data{ .id = 5, .next = 5 },
};
[0].emplace({ .id = 0, .next = 3 });
[2].emplace({ .id = 2, .next = 5 });
std::vector<Data>{
Data{ .id = 0, .next = 3 },
Data{ .id = 1, .next = 3 },
Data{ .id = 2, .next = 5 },
Data{ .id = 3, .next = 3 },
Data{ .id = 4, .next = 5 },
Data{ .id = 5, .next = 5 },
};
Exit Code:
0